A recent picture I shot, using a backyard solar telescope, reveals the twisted detail of the Sun’s magnetic field. [OC]
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πŸ‘€︎ u/TheVastReaches
πŸ“…︎ Jan 17 2021
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Researchers in Japan have made the first observations of biological magnetoreception – live, unaltered cells responding to a magnetic field in real time. This discovery is a crucial step in understanding how animals from birds to butterflies navigate using Earth’s magnetic field. u-tokyo.ac.jp/focus/en/pr…
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πŸ“°︎ r/science
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πŸ‘€︎ u/MistWeaver80
πŸ“…︎ Jan 09 2021
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[ROLEX] Around strong magnetic fields the Milgauss is in its element
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πŸ“°︎ r/Watches
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πŸ‘€︎ u/AreWGadmin
πŸ“…︎ Jan 27 2021
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My map got in Brawl Stars... (MAGNETIC FIELD)
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πŸ‘€︎ u/captaincto
πŸ“…︎ Jan 30 2021
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An incredibly rare event is happening as we speak on the sun- magnetic field lines are on crystal clear display as they rise out from the sun's chromosphere. This is a photo I took about 20 minutes ago in my backyard. [OC]
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πŸ‘€︎ u/ajamesmccarthy
πŸ“…︎ Nov 29 2020
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Physicists could do the 'impossible': Create and destroy magnetic fields from afar - A new study circumvents a 178-year-old theory. livescience.com/magnetic-…
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πŸ“°︎ r/Futurology
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πŸ‘€︎ u/StcStasi
πŸ“…︎ Nov 26 2020
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Randomly found this study about LSD possibly increasing perception of magnetic fields, anyone have more information on the subject? pubmed.ncbi.nlm.nih.gov/9…
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πŸ“…︎ Feb 04 2021
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Copper is not magnetic but creates resistance in the presence of a strong magnetic field. gfycat.com/unknownfelinee…
πŸ‘︎ 14k
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πŸ‘€︎ u/History0470
πŸ“…︎ Dec 08 2020
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Magnetars, which were recently found to be the source of mysterious radio bursts from space, are city-sized corpses of massive stars with magnetic fields so powerful they could tear you apart at the atomic level. astronomy.com/news/2020/1…
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πŸ‘€︎ u/clayt6
πŸ“…︎ Nov 05 2020
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My map got in Brawl Stars! (MAGNETIC FIELD)
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πŸ“°︎ r/Brawlmaps
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πŸ‘€︎ u/captaincto
πŸ“…︎ Jan 30 2021
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Black holes are commonly surrounded by a hot 'soup' of plasma particles that carry a magnetic field. When magnetic field lines disconnect and reconnect, in just the right way, they can accelerate plasma particles to negative energies and large amounts of black hole energy can be extracted. sciencealert.com/scientis…
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πŸ“°︎ r/science
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πŸ‘€︎ u/MistWeaver80
πŸ“…︎ Jan 21 2021
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Humans are possibly able to sense the Earth's magnetic field- but only men, only when hungry, and only when exposed to blue light. journals.plos.org/plosone…
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πŸ“°︎ r/slatestarcodex
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πŸ‘€︎ u/DAL59
πŸ“…︎ Jan 14 2021
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Copper is not magnetic but creates resistance in the presence of a strong magnetic field. gfycat.com/unknownfelinee…
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πŸ“°︎ r/WatchandLearn
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πŸ‘€︎ u/crosspostninja
πŸ“…︎ Dec 08 2020
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Mars, if it still had a magnetic field, atmosphere and water
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πŸ‘€︎ u/one_loop
πŸ“…︎ Dec 22 2020
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How red foxes hunt for prey under the snow. They use the Earth's magnetic field to estimate the distance to its prey and make a more accurate pounce gfycat.com/pointedmadelan…
πŸ‘︎ 5k
πŸ“°︎ r/WatchandLearn
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πŸ‘€︎ u/crosspostninja
πŸ“…︎ Dec 03 2020
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How red foxes hunt for prey under the snow. They use the Earth's magnetic field to estimate the distance to its prey and make a more accurate pounce gfycat.com/pointedmadelan…
πŸ‘︎ 6k
πŸ“°︎ r/Awwducational
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πŸ‘€︎ u/crosspostninja
πŸ“…︎ Dec 03 2020
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Apollo lunar samples reveal the Moon's ancient magnetic field helped protect early Earth when microbes were just beginning to develop. astronomy.com/news/2020/1…
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πŸ‘€︎ u/clayt6
πŸ“…︎ Oct 19 2020
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China turns on nuclear-powered β€˜artificial sun’ for first time | Nuclear fusion reactor uses a powerful magnetic field to fuse plasma at more than 10 times the heat of sun’s core independent.co.uk/news/wo…
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πŸ‘€︎ u/IntnsRed
πŸ“…︎ Dec 18 2020
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Juno maps water ice across Jupiter's moon Ganymede. Ganymede is the only moon with its own magnetic field, it is the most differentiated of all moons, and it likely possesses a subsurface ocean of liquid water. phys.org/news/2021-01-jun…
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πŸ‘€︎ u/MaryADraper
πŸ“…︎ Jan 21 2021
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The Magnetic Field of the Whirlpool Galaxy apod.nasa.gov/apod/ap2101…
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πŸ“°︎ r/nasa
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πŸ‘€︎ u/NASA_POTD_bot
πŸ“…︎ Jan 20 2021
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So interesting thought the Elden Ring is about magnetism and breaking it has damaged their worlds magnetism causing mayham look at the diagram on the Tusk Giants sword it looks almost exactly like earths magnetic field and the web like strands on the sceptor could also be a form of magnetic strands
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πŸ“°︎ r/Eldenring
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πŸ‘€︎ u/Fredbearthoughts
πŸ“…︎ Jan 15 2021
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I was reading this paper about how to calculate the magnetic field produced by a electric current going through a thick coil, but I don't understand how he gets to equation (7).

I imagined that to get to eq. (7) I just needed to take the derivative in respect to z in eq. (4), but where does the cosine come from?

the equations:

https://imgur.com/a/fGOjdI5

πŸ‘︎ 50
πŸ“°︎ r/AskPhysics
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πŸ‘€︎ u/RP_blox
πŸ“…︎ Jan 25 2021
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The Vertical Magnetic Field of NGC 5775
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πŸ‘€︎ u/Queen0fPentacles
πŸ“…︎ Jan 27 2021
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Magnetic Fields Produced by Venus Flytraps! phys.org/news/2021-02-ven…
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πŸ“°︎ r/botany
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πŸ‘€︎ u/laven-derp
πŸ“…︎ Feb 03 2021
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TIL that birds' navigational abilities may result from quantum mechanics. This theory suggests that the entanglement of 2 electrons on molecules in their eyes helps them detect Earth's magnetic field pnas.org/content/113/17/4…
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πŸ“°︎ r/todayilearned
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πŸ“…︎ Jan 16 2021
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LEVITATION MELTING Suspends and melts metal inside a magnetic field! v.redd.it/hgj2xo2whr461
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πŸ‘€︎ u/nihal09
πŸ“…︎ Dec 12 2020
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Why is the force from a magnet perpendicular to the magnetic field?

I understand it’s due to the cross product but I don’t understand why the magnetic field lines need to be circular instead of radially outwards

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πŸ“°︎ r/AskPhysics
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πŸ‘€︎ u/i-want-money-
πŸ“…︎ Feb 02 2021
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Why can’t the wings of the aeroplane be used to generate electricity from the Earth’s magnetic field?

We know that moving conductors in a magnetic field generate EMF. The plane flies in the Earth’s magnetic field. Is there any way to use this EMF to generate electricity (perhaps by completing the circuit) and using it to power the plane? In any sense, is this usable energy at all? (Even if it’s negligible)

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πŸ“°︎ r/AskPhysics
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πŸ‘€︎ u/LordSaumya
πŸ“…︎ Jan 21 2021
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Magnetic fields in Messier 82, or the Cigar galaxy
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πŸ“°︎ r/spaceporn
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πŸ‘€︎ u/Thatgirl7988
πŸ“…︎ Jan 29 2021
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Copper is not magnetic but creates resistance in the presence of a strong magnetic field. gfycat.com/unknownfelinee…
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πŸ“°︎ r/physicsgifs
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πŸ‘€︎ u/BickDuttkiss
πŸ“…︎ Dec 08 2020
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Magnets and muscles: A molecule naturally found in muscle tissue responds to weak magnetic fields to promote muscle health and could be used to stimulate muscle recovery. news.nus.edu.sg/molecule-…
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πŸ“°︎ r/science
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πŸ“…︎ Nov 30 2020
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Massive Rogue Planet Found with No Sun and Its Own Light Shows and Unique Magnetic Field astronomy.com/news/2018/0…
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πŸ‘€︎ u/space0watch
πŸ“…︎ Dec 27 2020
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πŸ”₯ Foxes use the Earth’s magnetic field as a targeting system πŸ”₯ gfycat.com/pointedmadelan…
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πŸ‘€︎ u/Narcius
πŸ“…︎ Dec 04 2020
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A very hot iron bar will lose its ferromagnetic properties. How is it that the earth's core can be hotter even than molten iron, and still exert such an enormous magnetic field?
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πŸ“°︎ r/askscience
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πŸ‘€︎ u/smoothminimal
πŸ“…︎ Jan 25 2021
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IIL albums where there is a theme/concept like Magnetic Fields 69 Love Songs or Joes Garage by Frank Zappa or Pet Sounds, what else would I like?

I suck at describing things, but I would an album where the lyrics relate to a common story. I never have dived too deep into in an actual. My friends never have recommendations for me because we all listen to the same artists pretty much.

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πŸ“°︎ r/ifyoulikeblank
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πŸ“…︎ Jan 26 2021
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If a coil is moving at constant speed in a uniform magnetic field (the ends of the coil connects in a circuit) , with the plane of the coil perpendicular to the magnetic field lines, will am e.m.f be induced in the coil?

I know for a rod that is travelling at a constant speed in a uniform magnetic field, there is a change in magnetic flux due to the change in area, ultimately given by the formula E = Blv, but what if it is a coil?

I’ve read from certain sources that emf won’t be induced due to no change in flux as the whole coil is travelling through the uniform magnetic field, but wouldn’t that logic apply to the rod as well if that is the case?

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πŸ“°︎ r/AskPhysics
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πŸ‘€︎ u/Sackboy000
πŸ“…︎ Feb 04 2021
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I made my own magnetic field v.redd.it/c4y07uc66bf61
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πŸ‘€︎ u/ActiveRegent
πŸ“…︎ Feb 03 2021
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Scientists observe live cells responding to magnetic fields for first time newatlas.com/biology/live…
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πŸ‘€︎ u/Torquemada1970
πŸ“…︎ Jan 08 2021
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A new study finds the first evidence of auroral radio emission from a planet beyond our solar system. These observations infer the existence of a planetary magnetic field, the knowledge of which will provide valuable insights into the exoplanet’s interior structure and atmospheric escape. news.cornell.edu/stories/…
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πŸ‘€︎ u/astrojaket
πŸ“…︎ Dec 16 2020
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Came back from a hike and my eyeballs felt like they were going to pop out of their sockets and my chest and kidneys hurt. Sitting in my living room, I decided to check out the EMF level around my head. Magnetic field ranged from 240 to 290. Started background video recorder and it dropped to 21 uT.
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πŸ‘€︎ u/TheCuriousTarget
πŸ“…︎ Jan 22 2021
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Does this guy have like a magnetic field or something? STRV-103 peak performance v.redd.it/wt4rapimfbb61
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πŸ“°︎ r/Warthunder
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πŸ‘€︎ u/Janeqq310
πŸ“…︎ Jan 14 2021
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Magnetic field lines SOFIA telescope/ look familiar ?
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πŸ“°︎ r/LSD
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πŸ‘€︎ u/gillbeats
πŸ“…︎ Jan 18 2021
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Arranging nails using a magnetic field v.redd.it/en57enlpki061
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πŸ“…︎ Nov 21 2020
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Sun - I captured this huge sunspot which is the size of 3 Earths from my house with an h-alpha filter and a telescope, the atmosphere of the sun is so violent! watch the plasma fall back by the enormous gravity and magnetic fields of the sun
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πŸ‘€︎ u/DeddyDayag
πŸ“…︎ Dec 28 2020
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Are rises in Electro-Magnetic Field in the human environment, interacting with multiple environmental pollutions, the tipping point for increases in neurological deaths in the Western World? sciencedirect.com/science…
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πŸ“°︎ r/5GDebate
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πŸ‘€︎ u/modernmystic369
πŸ“…︎ Jan 29 2021
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A solar storm will strike Earth's magnetic field on Jan 6th

According to the NOAA, there is a chance of G1-class geomagnetic storms on January 6th. This is due to a double coronal mass ejection (CME) from the sun observed on January 2nd. Since this is only a G1-class storm, at worse gps will be scrambled for a bit and you may see some northern lights.

https://www.happeningdaily.com/suspicious-timing-noaa-warns-of-solar-storms-striking-earths-magnetic-field-on-january-6th/

https://ordonews.com/magnetic-storms-in-january-2021-when-to-wait-and-how-to-survive/

https://www.sciencetimes.com/articles/28465/20201201/scientists-detect-massive-solar-flare-which-affected-earths-radio-signals.htm

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πŸ“°︎ r/PrepperIntel
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πŸ‘€︎ u/lumley_os
πŸ“…︎ Jan 05 2021
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All I need is just 5 min to breathe within this oxygen enriched atmosphere that protects the Earth's molten core from people, which in turn, generates a magnetic field that protects the biosphere's of this planet from harmful space radiation.. just give me 5 min, all I ask
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πŸ“°︎ r/memes
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πŸ“…︎ Jan 12 2021
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Magnetic fields in NGC 1068, or M77, are shown as streamlines over a visible light and X-ray composite image of the galaxy.
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πŸ“°︎ r/spaceporn
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πŸ‘€︎ u/drgreen_17
πŸ“…︎ Dec 30 2020
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